. >> reporter: in ohio, president obama made the case he is moving the country forward. >> we know what change looks like. and what the governor's offering ain't it. >> reporter: ohio could decide who wins the white house. not only are the candidates spending a lot of time there in these closing days. they're bombarding voters with fresh tv ads. >> who will do more for the auto industry? >> reporter: mitt romney is airing a new commercial in ohio saying workers in china benefited from the auto bailout. at a rally outside columbus, the president fired back. >> you don't scare hard working americans just to scare up some votes. >> reporter: with the race tight in nine swing states, both candidates will sprint through battleground states this weekend trying to win over a shrinking number of undecided voters and get their supporters to the polls. danielle nottingham, cbs news, the white house. >>> it was an influx of cash meant to help defeat prop 30 and support prop 32. but for now, we will not know who is behind the $11 million donation from arizona. the state appeals court said late toda